Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$531,074$373,029$472,377$347,809$188,447$120,668$152,087
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$267,650$318,484$550,715$591,998$250,612$228,787$166,426
Micrometers, callipers & gauges$451,167$541,669$525,471$955,887$254,331$315,862$762,063
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$869,187$883,814$1,465,302$1,668,752$903,059$634,029$791,842
Parts & accessories of the instr. of 90.17$113,410$122,177$96,476$100,317$51,435$162,338$68,960
Total$2,232,488$2,239,173$3,110,341$3,664,763$1,647,884$1,461,684$1,941,378